Possibility of a two-proton halo in 17Ne
- Kanungo, R
- Chiba, M
- Adhikari, S
- Fang, D
- Iwasa, N
- Kimura, K
- Maeda, K
- Nishimura, S
- Ogawa, Y
- Ohnishi, T
- Ozawa, A
- Samanta, C
- Suda, T
- Suzuki, T
- Wang, Q
- Wu, C
- Yamaguchi, Y
- Yamada, K
- Yoshida, A
- Zheng, T
- Tanihata, I
Publication date
January 2003
DOI Publisher
physics letters b ISSN
0370-2693 Journal
issn:0370-2693 Citation count (estimate)
13Abstract
The first measurement of the two proton removal, cross section and momentum distribution, with a Be target at 66 A MeV are reported. The momentum distribution shows a width of 168 +/- 17 MeV/c (FWHM) that is much narrower than the width expected from a normal nucleus (similar to 290 MeV/c). The proton removal cross-section has been determined to be 191 +/- 48 mb. Analysis of present data together with interaction cross section indicates significant s-wave probability of the two valence protons. This suggests a two-proton halo in Ne-17. (C) 2003 Published by Elsevier B.V.Physics, MultidisciplinarySCI(E)0ARTICLE1-221-2857
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